Detector and counter (CB21510E)

This circuit was taken from old American documentation. The circuit provides pulses obtained from a magnetic sensor for application in meters.

| Clique na imagem para ampliar |

Sequential Switch (CB9109E)
The presented circuit was found in a 90’s Electronic Engineering. The circuit is based on CMOS...
General Purpose Phone Amplifier (CB974E)
We find the original version of this circuit in an English publication (1986). It is a...
LM1875 Non-Inverting Composite Amplifier (CB26268E)
Found in a 1990s Electronics Now, this circuit uses a period-specific integrated circuit that...